Hal Hellman
@halhellman
Prolific US science writer, adept at simplifying complex concepts for wider understanding.
The beautiful humans of HackerNoon have collectively read @halhellman's 13 stories for 10 hours and 47 minutes.
non-fiction
popular-science
hackernoon-books
project-gutenberg
books
hal-hellman
popular-science-writing
lasers